The Lost Worlds of Planet Earth – The Ship of the Imagination embarks on a journey through space and time to grasp how the autobiography of the Earth is written in its atoms, its oceans, its continents and all livi…

Sisters of the Sun – A spotlight on the work of female astronomers, including Annie Jump Cannon (1863-1941), who cataloged stars by class, and Cecilia Payne (1900-79), who calculated the chemical compositions of stars. Also: an exploration of the lives and deaths of stars; and a visit to the planet of a star orbiting a globular cluster.

The Clean Room – A look at the work of geochemist Clair Patterson (1922-95), who calculated the age of the Earth—4.5 billion years—using a uranium-lead dating method, and also drew attention to the dangers of lead in the atmosphere and the food chain.

Deeper, Deeper, Deeper Still – A look at exotic life forms that are invisible to the naked eye; an examination of the parts of the brain responsible for the sense of smell and memory; a journey beneath the Earth’s surface to discover a mysterious particle.

Hiding in the Light – The behavior of light and its relationship to vision are studied by Ibn al-Haytham in the Middle East during the 11th century. Also: astronomer William Herschel discovers infrared radiation in 1800.

Hiding in the Light – The behavior of light and its relationship to vision are studied by Ibn al-Haytham in the Middle East during the 11th century. Also: astronomer William Herschel discovers infrared radiation in 1800.